Method and apparatus for transmitting base station data, and device

ABSTRACT

Embodiments of this application disclose a method for scheduling a terminal. The method includes the following operations: receiving a precoding matrix indication PMI value and reference signal received power RSRP that are sent by user equipment; determining, based on the PMI value, grouping of a network area corresponding to the user equipment; and determining, based on the RSRP, a network area in which the user equipment is located. This application has the advantage of avoiding interference between network areas.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application is a continuation of International Application No.PCT/CN2017/090899, filed on Jun. 29, 2017, the disclosure of which ishereby incorporated by reference in its entirety.

TECHNICAL FIELD

This application relates to the field of communication, and inparticular, to a method and an apparatus for transmitting base stationdata, and a device.

BACKGROUND

With development of wireless communications systems, a system capacityis greatly improved by using technologies such as a multiple inputmultiple output (MIMO) technology and a higher order modulationtechnology. To obtain more spatial multiplexing gains, a cell capacityis greatly improved by using a multi-sector multi-beam technology.However, as the quantity of sectors or beams of a single site increases,because a same frequency band is shared among the sectors or the beams,user equipment (UE) served by the single site may be strongly interferedwith within coverage of the sectors or the beams, and performance of theUE located within the coverage of the sectors or the beams may beaffected greatly.

SUMMARY

In view of the foregoing technical problem, embodiments of thisapplication provide a method for transmitting base station data, toresolve a problem of interference between network areas in the priorart.

According to a first aspect, a method for scheduling a terminal isprovided, and includes the following operations:

receiving, by a first base station in a joint scheduling base stationgroup, a precoding matrix indication (PMI) value and reference signalreceived power (RSRP) that are sent by user equipment;

determining, by a remote radio unit (RRU) of the first base station inthe joint scheduling base station group, based on the RSRP, a networkarea to which the UE belongs;

if the UE is served by the first base station in the joint schedulingbase station group, allocating, by the first base station in the jointscheduling base station group, an equivalent channel that corresponds tothe first base station and that is in a first equivalent channel groupto the UE based on the PMI value; and if the UE belongs to an overlappedarea of the first base station and a second base station that are in thejoint scheduling base station group, jointly allocating, by the firstbase station and the second base station that are in the jointscheduling base station group, an equivalent channel that corresponds tothe first base station and the second base station and that is in asecond equivalent channel group to the UE based on the PMI value,stopping, by the first base station, transmitting data on the firstequivalent channel, and jointly stopping, by the first base station andthe second base station, sending data on a third equivalent channelcorresponding to the second base station, where

the first equivalent channel group and the second equivalent channelgroup have different radio frequency channels.

In one embodiment, if there are four port numbers for the UE,

when PMI=0, a first equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\1 \\1 \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{bmatrix}}}},$where

T_(2M-1) is a (2M)^(th) network area, V is a port mapping matrix of theuser equipment, and the ellipsis represents 2M-8 repeated digits;

when PMI=2, a second equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$

when PMI=9, a third equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\j \\1 \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\j \\0 \\0 \\1 \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$

when PMI=11, a fourth equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- j} \\1 \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- j} \\0 \\0 \\1 \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$

when PMI=1, a fifth equivalent channel in the first channel group and

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\j \\{- 1} \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{bmatrix}}}};$

when PMI=3, a sixth equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- j} \\{- 1} \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\j \\1 \\\vdots\end{bmatrix}}}};$

when PMI=8, a seventh equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\1 \\{- 1} \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\1 \\1 \\0 \\0 \\1 \\1 \\\vdots\end{bmatrix}}}};$

and

when PMI=10, an eighth equivalent channel in the first channel group andallocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\{- 1} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\\vdots\end{bmatrix}}.}}$

In another embodiment, if there are four port numbers for the UE, and

if PMI=4, a ninth equivalent channel in the second channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)} \\j \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}},$where

T_(2M-1) is a (2M)^(th) network area, V is a port mapping matrix of theuser equipment, and the ellipsis represents 2M-8 repeated digits;

when PMI=5, a tenth equivalent channel in the second channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)} \\{- j} \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\\vdots\end{bmatrix}}}};$

when PMI=6, an eleventh equivalent channel in the second channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)} \\j \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\\vdots\end{bmatrix}}}};$

when PMI=7, a twelfth equivalent channel in the second channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)} \\{- j} \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}};$

when PMI=12, a thirteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\1 \\1 \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\0 \\0 \\j \\1 \\0 \\0 \\j \\\vdots\end{bmatrix}}}};$

when PMI=13, a fourteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\1 \\{- 1} \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\1 \\j \\0 \\0 \\1 \\j \\0 \\\vdots\end{bmatrix}}}};$

when PMI=14, a fifteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}{- 1} \\1 \\1 \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\1 \\{- j} \\0 \\0 \\1 \\{- j} \\0 \\\vdots\end{bmatrix}}}};$and

when PMI=15, a sixteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\{- 1} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\{- 1} \\j \\0 \\0 \\{- 1} \\j \\0 \\\vdots\end{bmatrix}}.}}$

In still another embodiment, if there are eight ports for the UE, and

if PMI=0, a seventeenth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\\begin{matrix}1 \\1 \\1 \\1 \\1\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{bmatrix}}}},$where

T_(2M-1) is a (2M)^(th) network area, V is a port mapping matrix of theuser equipment, and the ellipsis represents 2M-8 repeated digits in thefirst to the eighth rows;

if PMI=7, an eighteenth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\\begin{matrix}1 \\j \\j \\j \\j\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\j \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=8, a nineteenth equivalent channel in the first channel group andallocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\\begin{matrix}1 \\{- 1} \\{- 1} \\{- 1} \\{- 1}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- 1} \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=16, a twentieth equivalent channel in the first channel group andallocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\\begin{matrix}1 \\{- j} \\{- j} \\{- j} \\{- j}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- j} \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=36, a twenty-first equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\\begin{matrix}{- 1} \\1 \\{- 1} \\1 \\{- 1}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=44, a twenty-second equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\\begin{matrix}{- 1} \\{- 1} \\1 \\{- 1} \\1\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- 1} \\1 \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=72, a twenty-third equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\\begin{matrix}{- 1} \\j \\{- j} \\j \\{- j}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\j \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=88, a twenty-fourth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\\begin{matrix}{- 1} \\{- j} \\j \\{- j} \\j\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- j} \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=1, a twenty-fifth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\\begin{matrix}{- j} \\1 \\j \\{- 1} \\{- j}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{bmatrix}}}};$

if PMI=3, a twenty-sixth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\\begin{matrix}{- j} \\j \\{- 1} \\{- j} \\1\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- 1} \\{- j} \\\vdots\end{bmatrix}}}};$

if PMI=6, a twenty-seventh equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\\begin{matrix}{- j} \\{- 1} \\{- j} \\1 \\j\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- j} \\1 \\\vdots\end{bmatrix}}}};$

if PMI=12, a twenty-eighth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\\begin{matrix}{- j} \\j \\{- 1} \\{- j} \\1\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{20mu}\ldots\mspace{20mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\1 \\j \\\vdots\end{bmatrix}}}};$

if PMI=17, a twenty-ninth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\1 \\{- j} \\{- 1} \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\j \\1 \\\vdots\end{bmatrix}}}};$

if PMI=20, a thirtieth equivalent channel in the first channel group andallocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\j \\1 \\{- j} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- 1} \\j \\\vdots\end{bmatrix}}}};$

if PMI=32, a thirty-first equivalent channel in the first channel groupand allocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- 1} \\j \\1 \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- j} \\{- 1} \\\vdots\end{bmatrix}}}};$and

if PMI=40, a thirty-second equivalent channel in the first channel groupand allocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- j} \\{- 1} \\j \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\1 \\{- j} \\\vdots\end{bmatrix}}.}}$

According to a second aspect, an apparatus for transmitting base stationdata is provided. The apparatus is deployed in a first base station in ajoint scheduling base station group and includes: a receiving unit,configured to receive a precoding matrix indication (PMI) value andreference signal received power (RSRP) that are sent by user equipment;a remote radio unit, configured to determine, based on the RSRP, anetwork area to which the UE belongs; and a processing unit, configuredto: if the UE is served by the first base station in the jointscheduling base station group, allocate an equivalent channel thatcorresponds to the first base station and that is in a first equivalentchannel group to the UE based on the PMI value; if the UE belongs to anoverlapped area of the first base station and a second base station thatare in the joint scheduling base station group, allocate an equivalentchannel that corresponds to the first base station and the second basestation and that is in a second equivalent channel group to the UE basedon the PMI value, stop transmitting data on the first equivalentchannel, and stop sending data on a third equivalent channelcorresponding to the second base station, where the first equivalentchannel group and the second equivalent channel group have differentradio frequency channels.

According to a third aspect, a base station is provided. The basestation is a base station in a joint scheduling base station group andincludes a communications interface, a memory, a processor, and a remoteradio unit, where the communications interface is configured to receivea precoding matrix indication (PMI) value and reference signal receivedpower (RSRP) that are sent by user equipment; the remote radio unit isconfigured to determine, based on the RSRP, a network area to which theUE belongs; and the processor is configured to: if the UE is served bythe base station in the joint scheduling base station group, allocate anequivalent channel that corresponds to the base station and that is in afirst equivalent channel group to the UE based on the PMI value; and ifthe UE belongs to an overlapped area of the base station and anotherbase station that are in the joint scheduling base station group,allocate an equivalent channel that corresponds to the base station andthe another base station and that is in a second equivalent channelgroup to the UE based on the PMI value, stop, by the base station,transmitting data on the first equivalent channel, and jointly stop, bythe base station and the another base station, sending data on a thirdequivalent channel corresponding to the another base station, where thefirst equivalent channel group and the second equivalent channel grouphave different radio frequency channels.

According to a fourth aspect, a computer-readable storage medium isprovided. The computer-readable storage medium stores a computer programused to exchange electronic data, where the computer program enables acomputer to perform the method according to the first aspect.

According to a fifth aspect, a computer program product is provided, andincludes a non-transitory computer-readable storage medium that stores acomputer program, where the computer program is run to enable a computerto perform the method according to the first aspect.

BRIEF DESCRIPTION OF DRAWINGS

To describe technical solutions in embodiments of this application or inthe prior art more clearly, the following briefly describes theaccompanying drawings required for describing the embodiments.Apparently, the accompanying drawings in the following description showmerely some embodiments of this application, and a person of ordinaryskill in the art may still derive other accompanying drawings from theseaccompanying drawings without creative efforts.

FIG. 1 is a schematic diagram of a network structure implementingvirtual four transmitter four receiver (V4T4R);

FIG. 2A is a schematic diagram of a cell network with a lineararrangement;

FIG. 2B is a schematic diagram of a cell network with a squarearrangement;

FIG. 3 is a schematic flowchart of a method for transmitting basestation data according to an embodiment of this application;

FIG. 4A is a schematic flowchart of a method for transmitting basestation data according to another embodiment of this application;

FIG. 4B is a schematic flowchart of another method for transmitting basestation data according to another embodiment of this application;

FIG. 5 is a schematic flowchart of a method for transmitting basestation data according to still another embodiment of this application;

FIG. 6 is a schematic structural diagram of an apparatus fortransmitting base station data according to an embodiment of thisapplication; and

FIG. 7 is a schematic structural diagram of a base station according toan embodiment of this application.

DESCRIPTION OF EMBODIMENTS

The following clearly describes the technical solutions in theembodiments of this application with reference to the accompanyingdrawings in the embodiments of this application. Apparently, thedescribed embodiments are merely some but not all of the embodiments ofthis application. All other embodiments obtained by a person of ordinaryskill in the art based on the embodiments of this application withoutcreative efforts shall fall within the protection scope of thisapplication.

FIG. 1 is a schematic diagram of a virtual cell with virtual fourtransmitter four receiver (V4T4R). As shown in FIG. 1, the virtual cellis provided with six sectors or beams, and for ease of description, twoof the six sectors or beams are named as Beam0 and Beam1. Based on aV4T4R technical solution, in an overlapped area of Beam0 and Beam1, datatransmission is performed through independent scheduling, and a 4T4Rmode is used to ensure transmission of four maximum streams. Thefollowing takes three UEs as a practical example, for ease ofdescription, the three UEs are respectively named as UE 1, UE 2, and UE3. The UE 1 is in a sector adjacent to Beam0, the UE 2 is in theoverlapped area of Beam0 and Beam1, and the UE 3 is in a sector adjacentto Beam1. Abase station uses the 4T4R mode to transmit data to the UE 2in a slot 1, and transmits data to the UE 1 and the UE 3 in the slot 1.Because the base station transmits data in the 4T4R mode in theoverlapped area, interference between UE in Beam0 and UE in Beam1 can beavoided. However, for the UE 1 or the UE 3, because the base stationalso transmits data in the slot 1, if the UE 1 is in an overlapped areaof Beam0 and an adjacent sector, or the UE 3 is in an overlapped area ofBeam1 and an adjacent sector, data transmission performed with the UE 1or the UE 3 will affect data transmission performed with the UE 2,thereby causing interference.

FIG. 2A is a schematic diagram of a cell network with a lineararrangement. As shown in FIG. 2A, M cells are arranged linearly, and abase station serving each cell is provided with a remote radio unit(RRU). For ease of description, RRUs in the M cells that are arrangedlinearly are named as an RRU 0, an RRU 1, an RRU 2, an RRU 3, and thelike. The RRU 1 is adjacent to the RRU 0 and the RRU 2, and the RRU 2 isadjacent to the RRU 1 and the RRU 3.

FIG. 2B is a schematic diagram of a cell network with a squarearrangement. As shown in FIG. 2B, M cells are arranged squarely, and abase station serving each cell is provided with an RRU. For ease ofdescription, RRUs of the M cells that are arranged squarely are named asan RRU 0, an RRU 1, an RRU 2, an RRU 3, an R RU 4, an RRU 5, an RRU 6,an RRU 7, and the like. As shown in FIG. 2B, the RRU 0 is adjacent tothe RRU 1 and the RRU 2, and the RRU 3 is adjacent to the RRU 1, the RRU2, and the RRU 4.

FIG. 3 shows a method for transmitting base station data according to anembodiment of this application. The method is performed by the basestations arranged linearly shown in FIG. 2A or the base stationsarranged squarely shown in FIG. 2B, and the base stations arrangedlinearly may be referred to as a joint scheduling base station group. Asshown in FIG. 3, the method includes the following operations.

Operation S301: An RRU 0 in the joint scheduling base station groupreceives a precoding matrix indication (PMI) value and reference signalreceived power (RSRP) that are sent by UE.

Operation S302: The RRU 0 in the joint scheduling base station groupdetermines, based on the RSRP, a network area to which the UE belongs.

A specific method for determining, based on the RSRP, the network areato which the UE belongs may include: receiving, by the RRU 0, an RSRPvalue list sent by the UE; and if RSRP_(max) is apparently greater thanother RSRP values and a network area corresponding to RSRP_(max) is anarea covered by the RRU 0, determining that the UE belongs to the RRU 0;or if RSRP_(max) and RSRP_(max-1) (a second largest value) areapparently greater than other RSRP values, determining that a networkarea corresponding to RSRP_(max) and RSRP_(max-1) as an overlapped areaof RRU 0 and RRU 1, that is, the network area in which the UE islocated.

Operation S303: If the UE belongs to the RRU 0 in the joint schedulingbase station group, the RRU 0 in the joint scheduling base station groupallocates an equivalent channel that corresponds to the RRU 0 and thatis in a first equivalent channel group to the UE based on the PMI value;and if the UE belongs to the overlapped area of the RRU 0 and the RRU 1that are in the joint scheduling base station group, the RRU 0 and theRRU 1 that are in the joint scheduling base station group jointlyallocate an equivalent channel that corresponds to the RRU 0 and the RRU1 and that is in a second equivalent channel group to the UE based onthe PMI value, the RRU 0 stops transmitting data on the first equivalentchannel, and the RRU 0 and the RRU 1 jointly stop sending data on athird equivalent channel corresponding to the RRU 1, where the firstequivalent channel and a second equivalent channel have different radiofrequency channels.

According to the method provided by the embodiment shown in FIG. 3,based on the PMI value reported by the UE, network areas are classifiedinto a plurality of network area groups, and the network areascorrespond to different equivalent channels. For the UE, differentequivalent channels are used for different network area groups, forexample, data is transmitted in the RRU 0 on a first equivalent channel,and data is transmitted in the RRU 1 on a third equivalent channel, anddifferent radio frequency channels are allocated to the first equivalentchannel and the third equivalent channel. Therefore, during datatransmission on different radio frequency channels, interference betweenthe RRU 0 and the RRU 1 that are adjacent to each other can well beavoided. In an overlapped network area group of the RRU 0 and the RRU 1,a joint transmission manner, that is, a second equivalent channel, isused to transmit data. That UE in the overlapped network area group isspecifically in the overlapped area of the RRU 0 and the RRU 1 (that is,when the UE is in the overlapped area, a difference between RSRP 1 andRSRP 2 reported by the UE is relatively small, and the RSRP 1 and theRSRP 2 are the largest value and the second largest value in the RSRP)can be determined by using the RSRP reported by the UE. In this way,when the RRU 0 and the RRU 1 jointly allocate the second equivalentchannel to the UE, the RRU 0 stops allocating the first equivalentchannel, and the RRU 0 and the RRU 1 jointly stops allocating the secondequivalent channel corresponding to the RRU 1. Because when the UE sendsdata on the second equivalent channel, RRUs (namely, the RRU 0 and theRRU 1) corresponding to network areas closer to the overlapped area stopallocating equivalent channels, the RRU 0 and the RRU 1 do not interferewith the overlapped area. As other network areas (network areas otherthan the RRU 0 and the RRU 1) are far away from the overlapped area thatis of the RRU 0 and the RRU 1 and in which the UE is located,interference can be ignored.

FIG. 4A shows a method for transmitting base station data according toanother embodiment of this application. The method is performed by thebase station shown in FIG. 2A or FIG. 2B. The UE is an R8 terminal andis provided with four ports. As shown in FIG. 4A, the method includesthe following operations.

Operation S401A: RRU 0 in a joint scheduling base station group receivesa PMI and RSRP that are sent by UE 1.

Operation 402A: If PMI=0 and a largest value in the RSRP is RSRP of RRU0, the RRU 0 allocates a first equivalent channel to the UE 1, and thefirst equivalent channel may be specifically:

${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\1 \\1 \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{bmatrix}}}},$

where

T_(2M-1) is a (2M)^(th) radio frequency channel, M is a quantity ofradio frequency channels, and the ellipsis in a matrix with four portnumbers represents 2M-8 omitted digits. The 2M-8 digits are rows thatare repeated in the foregoing matrix, and the rows indicates repeateddigits in the first to the fourth rows, namely, 1100, where

$V = {\frac{1}{\sqrt{2}}\begin{bmatrix}1 & 0 & 1 & 0 \\0 & 1 & 0 & 1 \\j & 0 & {- j} & 0 \\0 & j & 0 & {- j} \\1 & 0 & 1 & 0 \\0 & 1 & 0 & 1 \\j & 0 & {- j} & 0 \\0 & j & 0 & {- j} \\\vdots & \vdots & \vdots & \vdots\end{bmatrix}}$

The ellipsis in the matrix with four port numbers represents 2M-8omitted digits, the 2M-8 digits are rows that are repeated in theforegoing matrix, and the rows indicates repeated digits in the first tothe fourth rows.

When PMI=2, a second equivalent channel in a first channel group andallocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}.}}$

When PMI=9, a third equivalent channel in the first channel group andallocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\j \\1 \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\j \\0 \\0 \\1 \\j \\0 \\0 \\\vdots\end{bmatrix}}.}}$

When PMI=11, a fourth equivalent channel in the first channel group andallocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- j} \\1 \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- j} \\0 \\0 \\1 \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}.}}$

When PMI=1, a fifth equivalent channel in the first channel group andallocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\j \\{- 1} \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{bmatrix}}.}}$

When PMI=3, a sixth equivalent channel in the first channel group andallocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- j} \\{- 1} \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\j \\1 \\\vdots\end{bmatrix}}.}}$

When PMI=8, a seventh equivalent channel in the first channel group andallocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\1 \\{- 1} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\1 \\1 \\0 \\0 \\1 \\1 \\\vdots\end{bmatrix}}.}}$

When PMI=10, an eighth equivalent channel in the first channel group andallocated to the user equipment is:

${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\{- 1} \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\\vdots\end{bmatrix}}.}}$

FIG. 4B shows another method for transmitting base station dataaccording to another embodiment of this application. The method isperformed by the base station shown in FIG. 2A or FIG. 2B. The UE is anR8 terminal and is provided with four ports. As shown in FIG. 4B, themethod includes the following operations.

Operation S401B: RRU 1 in a joint scheduling base station group receivesa PMI and RSRP that are sent by UE 1.

Operation S402B: If PMI=4 and a largest value in the RSRP is RSRP of RRU1, the RRU 1 allocates an equivalent channel in a first channel group tothe UE 1, and the equivalent channel may be specifically:

${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)} \\j \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}},$where

T_(2M-1) is a (2M)^(th) radio frequency channel, M is a quantity ofradio frequency channels, and the ellipsis represents omitted digits inthe first to the fourth rows of a matrix.

If PMI=4, a ninth equivalent channel in a second channel group andallocated to the user equipment is:

${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)} \\j \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}},$where

T_(2M-1) is a (2M)^(th) network area, V is a port mapping matrix of theuser equipment, and the ellipsis represents 2M-8 repeated digits.

When PMI=5, a tenth equivalent channel in the second channel group andallocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)} \\j \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\\vdots\end{bmatrix}}.}}$

When PMI=6, an eleventh equivalent channel in the second channel groupand allocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)} \\{- j} \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}.}}$

When PMI=7, a twelfth equivalent channel in the second channel group andallocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)} \\{- j} \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}.}}$

When PMI=12, a thirteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\1 \\1 \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\0 \\0 \\j \\1 \\0 \\0 \\j \\\vdots\end{bmatrix}}.}}$

When PMI=13, a fourteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\1 \\{- 1} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\1 \\j \\0 \\0 \\1 \\j \\0 \\\vdots\end{bmatrix}}.}}$

When PMI=14, a fifteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}{- 1} \\1 \\1 \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\1 \\{- j} \\0 \\0 \\1 \\{- j} \\0 \\\vdots\end{bmatrix}}.}}$

When PMI=15, a sixteenth equivalent channel in the second channel groupand allocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\{- 1} \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\{- 1} \\j \\0 \\0 \\{- 1} \\j \\0 \\\vdots\end{bmatrix}}.}}$

FIG. 5 shows a method for transmitting base station data according tostill another embodiment of this application. The method is performed bythe base station shown in FIG. 2B. The UE is an R10 terminal and isprovided with eight ports. As shown in FIG. 5, the method includes thefollowing operations.

Operation S501A: RRU 0 in a joint scheduling base station group receivesa PMI and RSRP that are sent by UE 1.

Operation S502A: If PMI=0, and a largest value in the RSRP is RSRP ofRRU 0, the RRU 0 allocates a first equivalent channel to the UE 1, andthe seventeenth equivalent channel may be specifically:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\1 \\1 \\1 \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{bmatrix}}}},$where

T_(2M-1) is a (2M)^(th) radio frequency channel, M is a quantity ofradio frequency channels, and the ellipsis represents omitted digits inthe first to the eighth rows of a matrix:

${V = {\frac{1}{2}\begin{bmatrix}1 & 0 & 1 & 0 & 1 & 0 & 1 & 0 \\0 & 1 & 0 & 1 & 0 & 1 & 0 & 1 \\j & 0 & {- j} & 0 & 1 & 0 & {- 1} & 0 \\0 & j & 0 & {- j} & 0 & 1 & 0 & {- 1} \\1 & 0 & 1 & 0 & 1 & 0 & 1 & 0 \\0 & 1 & 0 & 1 & 0 & 1 & 0 & 1 \\j & 0 & {- j} & 0 & 1 & 0 & {- 1} & 0 \\0 & j & 0 & {- j} & 0 & 1 & 0 & {- 1} \\\vdots & \vdots & \vdots & \; & \; & \vdots & \; & \;\end{bmatrix}}},$where

V is a matrix with eight ports, and the ellipsis represents omitteddigits in the first to the eighth rows of V.

If PMI=7, an eighteenth equivalent channel in a first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\j \\j \\j \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\j \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=8, a nineteenth equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\{- 1} \\{- 1} \\{- 1} \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- 1} \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=16, a twentieth equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\{- j} \\{- j} \\{- j} \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- j} \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=36, a twenty-first equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\1 \\{- 1} \\1 \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=44, a twenty-second equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\{- 1} \\1 \\{- 1} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- 1} \\1 \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=72, a twenty-third equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\j \\{- j} \\j \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\j \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=88, a twenty-fourth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\{- j} \\j \\{- j} \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- j} \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$

if PMI=1, a twenty-fifth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\1 \\j \\{- 1} \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{bmatrix}}}};$

if PMI=3, a twenty-sixth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\j \\{- 1} \\{- j} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- 1} \\{- j} \\\vdots\end{bmatrix}}}};$

if PMI=6, a twenty-seventh equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\{- 1} \\{- j} \\1 \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- j} \\1 \\\vdots\end{bmatrix}}}};$

if PMI=12, a twenty-eighth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\j \\{- 1} \\{- j} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\1 \\j \\\vdots\end{bmatrix}}}};$

if PMI=17, a twenty-ninth equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\1 \\{- j} \\{- 1} \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\j \\1 \\\vdots\end{bmatrix}}}};$

if PMI=20, a thirtieth equivalent channel in the first channel group andallocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\j \\1 \\{- j} \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- 1} \\j \\\vdots\end{bmatrix}}}};$

if PMI=32, a thirty-first equivalent channel in the first channel groupand allocated to the user equipment is:

${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- 1} \\j \\1 \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- j} \\{- 1} \\\vdots\end{bmatrix}}}};$and

if PMI=40, a thirty-second equivalent channel in the first channel groupand allocated to the user equipment is:

${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- j} \\{- 1} \\j \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\1 \\{- j} \\\vdots\end{bmatrix}}.}}$

For the eight ports, other PMI values are equivalent channels in asecond channel group of an overlapped area, and the second channel groupincludes 112 equivalent channels, which are not enumerated herein. Forthe equivalent channels in the second channel group, with a digit changeof the matrix with eight ports, for example, a matrix 1 with eight portsis changed to a matrix 2 with eight ports (which is only an example, andis one of 112 matrices with eight ports in the overlapped area), anequivalent channel corresponding to matrix with eight ports can becalculated based on the foregoing formula.

${Matrix}\mspace{14mu} 1\mspace{14mu}{with}\mspace{14mu}{eight}\mspace{14mu}{{ports}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- j} \\{- 1} \\j \\1\end{bmatrix}}$

FIG. 6 shows an apparatus 60 for

${Matrix}\mspace{14mu} 2\mspace{14mu}{with}\mspace{14mu}{eight}\mspace{14mu}{{ports}\begin{bmatrix}1 \\{\frac{1}{\sqrt{8}}\left( {1 - j} \right)} \\{- j} \\{{- \frac{1}{\sqrt{8}}}\left( {1 + j} \right)} \\{- j} \\{{- \frac{1}{\sqrt{8}}}\left( {1 + j} \right)} \\j \\{\frac{1}{\sqrt{8}}\left( {1 - j} \right)}\end{bmatrix}}$transmitting base station data according to one embodiment. Theapparatus is deployed in a first base station in a joint scheduling basestation group and includes:

a receiving unit 601, configured to receive a precoding matrixindication PMI value and reference signal received power RSRP that aresent by user equipment;

a remote radio unit 602, configured to: determine, based on the RSRP, anetwork area to which the UE belongs; and

a processing unit 603, configured to: if the UE is served by the firstbase station in the joint scheduling base station group, allocate anequivalent channel that corresponds to the first base station and thatis in a first equivalent channel group to the UE based on the PMI value;if the UE belongs to an overlapped area of the first base station and asecond base station that are in the joint scheduling base station group,allocate an equivalent channel that corresponds to the first basestation and the second base station and that is in a second equivalentchannel group to the UE based on the PMI value, stop transmitting dataon the first equivalent channel, and stop sending data on a thirdequivalent channel corresponding to the second base station, where thefirst equivalent channel group and the second equivalent channel grouphave different radio frequency channels.

FIG. 7 shows a base station 70 according to one embodiment of thisapplication. The base station is a base station in a joint schedulingbase station group and includes a communications interface 701, a memory702, a processor 703, and a remote radio unit 704. The communicationsinterface 701, the memory 702, the processor 703, and the remote radiounit 704 are connected, and specifically may be connected by using abus.

The communications interface 701 is configured to receive a precodingmatrix indication PMI value and reference signal received power RSRPthat are sent by user equipment.

The remote radio unit 704 is configured to determine, based on the RSRP,a network area to which the UE belongs.

The processor 703 is configured to: if the UE is served by the basestation in the joint scheduling base station group, allocate anequivalent channel that corresponds to the base station and that is in afirst equivalent channel group to the UE based on the PMI value; and ifthe UE belongs to an overlapped area of the base station and anotherbase station that are in the joint scheduling base station group,allocate an equivalent channel that corresponds to the base station andthe another base station and that is in a second equivalent channelgroup to the UE based on the PMI value, stop, by the base station,transmitting data on the first equivalent channel, and jointly stop, bythe base station and the another base station, sending data on a thirdequivalent channel corresponding to the another base station, where thefirst equivalent channel group and the second equivalent channel grouphave different radio frequency channels.

This application, in some embodiments, further provides acomputer-readable storage medium, storing a computer program used toexchange electronic data, where the computer program enables a computerto perform the method provided in FIG. 3, FIG. 4A or FIG. 4B.

This application, in some embodiments, further provides a computerprogram product, including a non-transitory computer-readable storagemedium that stores a computer program, where the computer program is runto enable a computer to perform the method provided in FIG. 3, FIG. 4Aor FIG. 4B.

It should be noted that, for brief description, all the foregoing methodembodiments are expressed as a series of action combinations. However, aperson skilled in the art should appreciate that this application is notlimited to the described action sequence, because according to thisapplication, some operations may be performed in other sequences orperformed simultaneously. In addition, a person skilled in the artshould also appreciate that all the embodiments described in thisspecification are example embodiments, and the related actions andmodules are not necessarily mandatory to this application.

In the foregoing embodiments, the descriptions of the embodiment haverespective focuses. For a part that is not described in detail in anembodiment, refer to related descriptions in other embodiments.

In the several embodiments provided in this application, it should beunderstood that the disclosed apparatus may be implemented in othermanners. For example, the described apparatus embodiment is merely anexample. For example, the unit division is merely a logical functiondivision and may be another division in an actual implementation. Forexample, a plurality of units or components may be combined orintegrated into another system, or some features may be ignored or notperformed. In addition, the displayed or discussed mutual couplings ordirect couplings or communication connections may be implemented throughsome interfaces. Indirect couplings or communication connections betweenthe apparatuses or units may be implemented in electronic or otherforms.

The units described as separate parts may or may not be physicallyseparate, and parts displayed as units may or may not be physical units,that is, may be located in one position, or may be distributed on aplurality of network units. Some or all of the units may be selectedbased on actual requirements to achieve the objectives of the solutionsof the embodiments.

In addition, functional units in the embodiments of this application maybe integrated into one processing unit, or each of the units may existalone physically, or two or more units are integrated into one unit. Theforegoing integrated unit may be implemented in a form of hardware, ormay be implemented in a form of a software functional unit.

When the integrated unit is implemented in the form of a softwarefunctional unit and sold or used as an independent product, theintegrated unit may be stored in a computer-readable memory. Based onsuch an understanding, the technical solutions of this applicationessentially, or the part contributing to the prior art, or all or someof the technical solutions may be implemented in the form of a softwareproduct. The software product is stored in a memory and includes severalinstructions for instructing a computer device (which may be a personalcomputer, a server, a network device, or the like) to perform all orsome of the operations of the methods described in the embodiments ofthis application. The foregoing memory includes any medium that canstore a program code, such as a USB flash drive, a read-only memory(ROM), a random access memory (RAM), a removable hard disk, a magneticdisk, or an optical disc.

What is disclosed above is merely an example embodiment of thisapplication, and certainly is not intended to limit the scope of theclaims of this application. A person of ordinary skill in the art mayunderstand that all or some of processes that implement the foregoingembodiments and equivalent modifications made in accordance with theclaims of this application shall fall within the scope of thisapplication.

What is claimed is:
 1. A method for scheduling a terminal, comprising:receiving, by a first base station in a joint scheduling base stationgroup, a precoding matrix indication (PMI) value and reference signalreceived power (RSRP) that are sent by user equipment (UE); determining,by a remote radio of the first base station in the joint scheduling basestation group, based on the RSRP, a network area to which the UEbelongs; if the UE is served by the first base station in the jointscheduling base station group, allocating, by the first base station inthe joint scheduling base station group, an equivalent channel thatcorresponds to the first base station and that is in a first equivalentchannel group to the UE based on the PMI value; if the UE belongs to anoverlapped area of the first base station and a second base station thatare in the joint scheduling base station group, jointly allocating, bythe first base station and the second base station that are in the jointscheduling base station group, an equivalent channel that corresponds tothe first base station and the second base station and that is in asecond equivalent channel group to the UE based on the PMI value,stopping, by the first base station, transmitting data on the equivalentchannel that corresponds to the first base station and that is in thefirst equivalent channel group, and jointly stopping, by the first basestation and the second base station, sending data on another equivalentchannel corresponding to the second base station, wherein the firstequivalent channel group and the second equivalent channel group havedifferent radio frequency channels.
 2. The method according to claim 1,wherein if there are four port numbers for the UE, when PMI=0, a firstequivalent channel in the first channel group and allocated to the userequipment is: ${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\1 \\1 \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{bmatrix}}}},{wherein}$ T_(2M-1) is a (2M)^(th) network area, and Vis a port mapping matrix of the user equipment; when PMI=2, a secondequivalent channel in the first channel group and allocated to the userequipment is: ${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$ when PMI=9, a third equivalent channel in the firstchannel group and allocated to the user equipment is: ${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\j \\1 \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\j \\0 \\0 \\1 \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$ when PMI=11, a fourth equivalent channel in the firstchannel group and allocated to the user equipment is: ${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- j} \\1 \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- j} \\0 \\0 \\1 \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$ when PMI=1, a fifth equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\j \\{- 1} \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{bmatrix}}}};$ when PMI=3, a sixth equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- j} \\{- 1} \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\j \\1 \\\vdots\end{bmatrix}}}};$ when PMI=8, a seventh equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\1 \\{- 1} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\1 \\1 \\0 \\0 \\1 \\1 \\\vdots\end{bmatrix}}}};$ and when PMI=10, an eighth equivalent channel in thefirst channel group and allocated to the user equipment is:${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\{- 1} \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\\vdots\end{bmatrix}}.}}$
 3. The method according to claim 2, wherein if thereare four port numbers for the UE, and if PMI=4, a ninth equivalentchannel in the second channel group and allocated to the user equipmentis:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)} \\j \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}},$ wherein when PMI=5, a tenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)} \\{- j} \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\\vdots\end{bmatrix}}}};$ when PMI=6, an eleventh equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)} \\j \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\\vdots\end{bmatrix}}}};$ when PMI=7, a twelfth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)} \\{- j} \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}};$ when PMI=12, a thirteenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\1 \\1 \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\0 \\0 \\j \\1 \\0 \\0 \\j \\\vdots\end{bmatrix}}}};$ when PMI=13, a fourteenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\1 \\{- 1} \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\1 \\j \\0 \\0 \\1 \\j \\0 \\\vdots\end{bmatrix}}}};$ when PMI=14, a fifteenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}{- 1} \\1 \\1 \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\1 \\{- j} \\0 \\0 \\1 \\{- j} \\0 \\\vdots\end{bmatrix}}}};$ and when PMI=15, a sixteenth equivalent channel inthe second channel group and allocated to the user equipment is:${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\{- 1} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\{- 1} \\j \\0 \\0 \\{- 1} \\j \\0 \\\vdots\end{bmatrix}}.}}$
 4. The method according to claim 3, wherein if thereare eight ports for the UE, and if PMI=0, a seventeenth equivalentchannel in the first channel group and allocated to the user equipmentis:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\1 \\1 \\1 \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{bmatrix}}}},$ wherein if PMI=7, an eighteenth equivalent channel inthe first channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\j \\j \\j \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\j \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=8, a nineteenth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\{- 1} \\{- 1} \\{- 1} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- 1} \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}},$ if PMI=16, a twentieth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\{- j} \\{- j} \\{- j} \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- j} \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=36, a twenty-first equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\1 \\{- 1} \\1 \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=44, a twenty-second equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\{- 1} \\1 \\{- 1} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- 1} \\1 \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=72, a twenty-third equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\j \\{- j} \\j \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\j \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=88, a twenty-fourth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\{- j} \\j \\{- j} \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- j} \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=1, a twenty-fifth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\1 \\j \\{- 1} \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{bmatrix}}}};$ if PMI=3, a twenty-sixth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\j \\{- 1} \\{- j} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- 1} \\{- j} \\\vdots\end{bmatrix}}}};$ if PMI=6, a twenty-seventh equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\{- 1} \\{- j} \\1 \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- j} \\1 \\\vdots\end{bmatrix}}}};$ if PMI=12, a twenty-eighth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\j \\{- 1} \\{- j} \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\1 \\j \\\vdots\end{bmatrix}}}};$ if PMI=17, a twenty-ninth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\1 \\{- j} \\{- 1} \\j\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\j \\1 \\\vdots\end{bmatrix}}}};$ if PMI=20, a thirtieth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\j \\1 \\{- j} \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- 1} \\j \\\vdots\end{bmatrix}}}};$ if PMI=32, a thirty-first equivalent channel in thefirst channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- 1} \\j \\1 \\{- j}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- j} \\{- 1} \\\vdots\end{bmatrix}}}};$ and if PMI=40, a thirty-second equivalent channel inthe first channel group and allocated to the user equipment is:${\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- j} \\{- 1} \\j \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\1 \\{- j} \\\vdots\end{bmatrix}}.}}$
 5. An apparatus for transmitting base station data,wherein the apparatus is deployed in a first base station in a jointscheduling base station group and the apparatus comprises: a receiver,configured to receive a precoding matrix indication (PMI) value andreference signal received power (RSRP) that are sent by user equipment(UE); a remote radio, configured to determine, based on the RSRP, anetwork area to which the UE belongs; and a processor, configured to: ifthe UE is served by the first base station in the joint scheduling basestation group, allocate an equivalent channel that corresponds to thefirst base station and that is in a first equivalent channel group tothe UE based on the PMI value; and if the UE belongs to an overlappedarea of the first base station and a second base station that are in thejoint scheduling base station group, allocate an equivalent channel thatcorresponds to the first base station and the second base station andthat is in a second equivalent channel group to the UE based on the PMIvalue, stop transmitting data on the equivalent channel that correspondsto the first base station and that is in the first equivalent channelgroup, and stop sending data on another equivalent channel correspondingto the second base station, wherein the first equivalent channel groupand the second equivalent channel group have different radio frequencychannels.
 6. The apparatus according to claim 5, wherein if there arefour port numbers for the UE, when PMI=0, a first equivalent channel inthe first channel group and allocated to the user equipment is:${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\1 \\1 \\1\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{bmatrix}}}},$ wherein T_(2M-1) is a (2M)^(th) network area, and Vis a port mapping matrix of the user equipment; when PMI=2, a secondequivalent channel in the first channel group and allocated to the userequipment is: ${{\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{2}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1}\end{bmatrix}}} = {\begin{bmatrix}T_{0} & \ldots & T_{{2M} - 1}\end{bmatrix}V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$ when PMI=9, a third equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}j \\\begin{matrix}1 \\j\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\\begin{matrix}j \\\begin{matrix}0 \\0 \\1 \\j \\0 \\0 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ when PMI=11, a fourth equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}{- j} \\\begin{matrix}1 \\{- j}\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\\begin{matrix}{- j} \\\begin{matrix}0 \\0 \\1 \\{- j} \\0 \\0 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ when PMI=1, a fifth equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}j \\\begin{matrix}{- 1} \\{- j}\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\\begin{matrix}0 \\\begin{matrix}j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ when PMI=3, a sixth equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}{- j} \\\begin{matrix}{- 1} \\j\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\\begin{matrix}0 \\\begin{matrix}j \\1 \\0 \\0 \\j \\1 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ when PMI=8, a seventh equivalent channel in the firstchannel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}1 \\\begin{matrix}{- 1} \\{- 1}\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\\begin{matrix}0 \\\begin{matrix}1 \\1 \\0 \\0 \\1 \\1 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ and when PMI=10, an eighth equivalent channel in thefirst channel group and allocated to the user equipment is:${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}{- 1} \\\begin{matrix}{- 1} \\1\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\\begin{matrix}0 \\\begin{matrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}.}}$
 7. The apparatus according to claim 6, wherein ifthere are four port numbers for the UE, and if PMI=4, a ninth equivalentchannel in the second channel group and allocated to the user equipmentis:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)} \\j \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}},$ wherein when PMI=5, a tenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{{- \frac{1}{\sqrt{2}}}\left( {1 - j} \right)} \\{- j} \\{\frac{1}{\sqrt{2}}\left( {1 + j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\\vdots\end{bmatrix}}}};$ when PMI=6, an eleventh equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)} \\j \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 + j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\\vdots\end{bmatrix}}}};$ when PMI=7, a twelfth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\{\frac{1}{\sqrt{2}}\left( {1 - j} \right)} \\{- j} \\{{- \frac{1}{\sqrt{2}}}\left( {1 + j} \right)}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{{- \frac{1}{\sqrt{2}}}j} \\{\frac{1}{2}\left( {1 - j} \right)} \\{\frac{1}{\sqrt{2}}j} \\\vdots\end{bmatrix}}}};$ when PMI=12, a thirteenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}1 \\\begin{matrix}1 \\{- 1}\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\\begin{matrix}0 \\\begin{matrix}0 \\j \\1 \\0 \\0 \\j \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ when PMI=13, a fourteenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}1 \\\begin{matrix}{- 1} \\1\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\\begin{matrix}1 \\\begin{matrix}j \\0 \\0 \\1 \\j \\0 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ when PMI=14, a fifteenth equivalent channel in thesecond channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}{- 1} \\\begin{matrix}1 \\\begin{matrix}1 \\1\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\\begin{matrix}1 \\\begin{matrix}{- j} \\0 \\0 \\1 \\{- j} \\0 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}};$ and when PMI=15, a sixteenth equivalent channel inthe second channel group and allocated to the user equipment is:${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{2}\begin{bmatrix}1 \\\begin{matrix}{- 1} \\\begin{matrix}{- 1} \\{- 1}\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\\begin{matrix}{- 1} \\\begin{matrix}j \\0 \\0 \\{- 1} \\j \\0 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}.}}$
 8. The apparatus according to claim 7, wherein ifthere are eight ports for the UE, and if PMI=0, a seventeenth equivalentchannel in the first channel group and allocated to the user equipmentis:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\\begin{matrix}1 \\\begin{matrix}1 \\1 \\1 \\1 \\1 \\1\end{matrix}\end{matrix}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\\begin{matrix}1 \\\begin{matrix}0 \\0 \\1 \\1 \\0 \\0 \\\vdots\end{matrix}\end{matrix}\end{bmatrix}}}},$ wherein if PMI=7, an eighteenth equivalent channel inthe first channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\j \\j \\j \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\j \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=8, a nineteenth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\{- 1} \\{- 1} \\{- 1} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- 1} \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=16, a twentieth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\1 \\1 \\1 \\{- j} \\{- j} \\{- j} \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\1 \\0 \\0 \\{- j} \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=36, a twenty-first equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\1 \\{- 1} \\1 \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\1 \\{- 1} \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=44, a twenty-second equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\{- 1} \\1 \\{- 1} \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- 1} \\1 \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=72, a twenty-third equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\j \\{- j} \\j \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\j \\{- j} \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=88, a twenty-fourth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- 1} \\1 \\{- 1} \\{- j} \\j \\{- j} \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}1 \\{- 1} \\0 \\0 \\{- j} \\j \\0 \\0 \\\vdots\end{bmatrix}}}};$ if PMI=1, a twenty-fifth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\1 \\j \\{- 1} \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\j \\{- 1} \\\vdots\end{bmatrix}}}};$ if PMI=3, a twenty-sixth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\j \\{- 1} \\{- j} \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- 1} \\{- j} \\\vdots\end{bmatrix}}}};$ if PMI=6, a twenty-seventh equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\{- 1} \\{- j} \\1 \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\{- j} \\1 \\\vdots\end{bmatrix}}}};$ if PMI=12, a twenty-eighth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\j \\{- 1} \\{- j} \\j \\{- 1} \\{- j} \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\{- 1} \\0 \\0 \\1 \\j \\\vdots\end{bmatrix}}}};$ if PMI=17, a twenty-ninth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\1 \\{- j} \\{- 1} \\j\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\1 \\j \\\vdots\end{bmatrix}}}};$ if PMI=20, a thirtieth equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\j \\1 \\{- j} \\{- 1}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- 1} \\j \\\vdots\end{bmatrix}}}};$ if PMI=32, a thirty-first equivalent channel in thefirst channel group and allocated to the user equipment is:${{\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- 1} \\j \\1 \\{- j}\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\{- j} \\{- 1} \\\vdots\end{bmatrix}}}};$ and if PMI=40, a thirty-second equivalent channel inthe first channel group and allocated to the user equipment is:${\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{\frac{1}{\sqrt{8}}\begin{bmatrix}1 \\{- j} \\{- 1} \\j \\{- j} \\{- 1} \\j \\1\end{bmatrix}}} = {\left\lbrack {T_{0}\mspace{14mu}\ldots\mspace{14mu} T_{{2M} - 1}} \right\rbrack V{{\frac{1}{\sqrt{2}}\begin{bmatrix}0 \\0 \\j \\1 \\0 \\0 \\1 \\{- j} \\\vdots\end{bmatrix}}.}}$
 9. A base station, wherein the base station is a basestation in a joint scheduling base station group and includes acommunications interface, a memory, a processor, and a remote radio,wherein the communications interface is configured to receive aprecoding matrix indication (PMI) value and reference signal receivedpower (RSRP) that are sent by user equipment (UE); the remote radio isconfigured to determine, based on the RSRP, a network area to which theUE belongs; and the processor is configured to: if the UE is served bythe base station in the joint scheduling base station group, allocate anequivalent channel that corresponds to the base station and that is in afirst equivalent channel group to the UE based on the PMI value; and ifthe UE belongs to an overlapped area of the base station and anotherbase station that are in the joint scheduling base station group,allocate an equivalent channel that corresponds to the base station andthe another base station and that is in a second equivalent channelgroup to the UE based on the PMI value, stop, by the base station,transmitting data on the equivalent channel that corresponds to thefirst base station and that is in the first equivalent channel group,and jointly stop, by the base station and the another base station,sending data on another equivalent channel corresponding to the anotherbase station, wherein the first equivalent channel group and the secondequivalent channel group have different radio frequency channels.